/**
 * \file oid.c
 *
 * \brief Object Identifier (OID) database
 *
 *  Copyright The Mbed TLS Contributors
 *  SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
 *
 *  This file is provided under the Apache License 2.0, or the
 *  GNU General Public License v2.0 or later.
 *
 *  **********
 *  Apache License 2.0:
 *
 *  Licensed under the Apache License, Version 2.0 (the "License"); you may
 *  not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *  **********
 *
 *  **********
 *  GNU General Public License v2.0 or later:
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License along
 *  with this program; if not, write to the Free Software Foundation, Inc.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 *  **********
 */

#if !defined(MBEDTLS_CONFIG_FILE)
#include "nettls/config.h"
#else
#include MBEDTLS_CONFIG_FILE
#endif

#if defined(MBEDTLS_OID_C)

#include "nettls/oid.h"
#include "nettls/rsa.h"

#include <stdio.h>
#include <string.h>

#if defined(MBEDTLS_PLATFORM_C)
#include "nettls/platform.h"
#else
#define mbedtls_snprintf snprintf
#endif

#if defined(MBEDTLS_X509_USE_C) || defined(MBEDTLS_X509_CREATE_C)
#include "nettls/x509.h"
#endif

/*
 * Macro to automatically add the size of #define'd OIDs
 */
#define ADD_LEN(s) s, MBEDTLS_OID_SIZE(s)

/*
 * Macro to generate an internal function for oid_XXX_from_asn1() (used by
 * the other functions)
 */
#define FN_OID_TYPED_FROM_ASN1(TYPE_T, NAME, LIST) \
    static const TYPE_T* oid_##NAME##_from_asn1(const mbedtls_asn1_buf* oid) \
    { \
        const TYPE_T* p = (LIST); \
        const mbedtls_oid_descriptor_t* cur = (const mbedtls_oid_descriptor_t*)p; \
        if (p == NULL || oid == NULL) \
            return (NULL); \
        while (cur->asn1 != NULL) { \
            if (cur->asn1_len == oid->len && memcmp(cur->asn1, oid->p, oid->len) == 0) { \
                return (p); \
            } \
            p++; \
            cur = (const mbedtls_oid_descriptor_t*)p; \
        } \
        return (NULL); \
    }

/*
 * Macro to generate a function for retrieving a single attribute from the
 * descriptor of an mbedtls_oid_descriptor_t wrapper.
 */
#define FN_OID_GET_DESCRIPTOR_ATTR1(FN_NAME, TYPE_T, TYPE_NAME, ATTR1_TYPE, ATTR1) \
    int FN_NAME(const mbedtls_asn1_buf* oid, ATTR1_TYPE* ATTR1) \
    { \
        const TYPE_T* data = oid_##TYPE_NAME##_from_asn1(oid); \
        if (data == NULL) \
            return (MBEDTLS_ERR_OID_NOT_FOUND); \
        *ATTR1 = data->descriptor.ATTR1; \
        return (0); \
    }

/*
 * Macro to generate a function for retrieving a single attribute from an
 * mbedtls_oid_descriptor_t wrapper.
 */
#define FN_OID_GET_ATTR1(FN_NAME, TYPE_T, TYPE_NAME, ATTR1_TYPE, ATTR1) \
    int FN_NAME(const mbedtls_asn1_buf* oid, ATTR1_TYPE* ATTR1) \
    { \
        const TYPE_T* data = oid_##TYPE_NAME##_from_asn1(oid); \
        if (data == NULL) \
            return (MBEDTLS_ERR_OID_NOT_FOUND); \
        *ATTR1 = data->ATTR1; \
        return (0); \
    }

/*
 * Macro to generate a function for retrieving two attributes from an
 * mbedtls_oid_descriptor_t wrapper.
 */
#define FN_OID_GET_ATTR2(FN_NAME, TYPE_T, TYPE_NAME, ATTR1_TYPE, ATTR1, ATTR2_TYPE, ATTR2) \
    int FN_NAME(const mbedtls_asn1_buf* oid, ATTR1_TYPE* ATTR1, ATTR2_TYPE* ATTR2) \
    { \
        const TYPE_T* data = oid_##TYPE_NAME##_from_asn1(oid); \
        if (data == NULL) \
            return (MBEDTLS_ERR_OID_NOT_FOUND); \
        *(ATTR1) = data->ATTR1; \
        *(ATTR2) = data->ATTR2; \
        return (0); \
    }

/*
 * Macro to generate a function for retrieving the OID based on a single
 * attribute from a mbedtls_oid_descriptor_t wrapper.
 */
#define FN_OID_GET_OID_BY_ATTR1(FN_NAME, TYPE_T, LIST, ATTR1_TYPE, ATTR1) \
    int FN_NAME(ATTR1_TYPE ATTR1, const char** oid, size_t* olen) \
    { \
        const TYPE_T* cur = (LIST); \
        while (cur->descriptor.asn1 != NULL) { \
            if (cur->ATTR1 == (ATTR1)) { \
                *oid = cur->descriptor.asn1; \
                *olen = cur->descriptor.asn1_len; \
                return (0); \
            } \
            cur++; \
        } \
        return (MBEDTLS_ERR_OID_NOT_FOUND); \
    }

/*
 * Macro to generate a function for retrieving the OID based on two
 * attributes from a mbedtls_oid_descriptor_t wrapper.
 */
#define FN_OID_GET_OID_BY_ATTR2(FN_NAME, TYPE_T, LIST, ATTR1_TYPE, ATTR1, ATTR2_TYPE, ATTR2) \
    int FN_NAME(ATTR1_TYPE ATTR1, ATTR2_TYPE ATTR2, const char** oid, size_t* olen) \
    { \
        const TYPE_T* cur = (LIST); \
        while (cur->descriptor.asn1 != NULL) { \
            if (cur->ATTR1 == (ATTR1) && cur->ATTR2 == (ATTR2)) { \
                *oid = cur->descriptor.asn1; \
                *olen = cur->descriptor.asn1_len; \
                return (0); \
            } \
            cur++; \
        } \
        return (MBEDTLS_ERR_OID_NOT_FOUND); \
    }

#if defined(MBEDTLS_X509_USE_C) || defined(MBEDTLS_X509_CREATE_C)
/*
 * For X520 attribute types
 */
typedef struct {
    mbedtls_oid_descriptor_t descriptor;
    const char* short_name;
} oid_x520_attr_t;

static const oid_x520_attr_t oid_x520_attr_type[] = {
    {
        {ADD_LEN(MBEDTLS_OID_AT_CN), "id-at-commonName", "Common Name"},
        "CN",
    },
    {
        {ADD_LEN(MBEDTLS_OID_AT_COUNTRY), "id-at-countryName", "Country"},
        "C",
    },
    {
        {ADD_LEN(MBEDTLS_OID_AT_LOCALITY), "id-at-locality", "Locality"},
        "L",
    },
    {
        {ADD_LEN(MBEDTLS_OID_AT_STATE), "id-at-state", "State"},
        "ST",
    },
    {
        {ADD_LEN(MBEDTLS_OID_AT_ORGANIZATION), "id-at-organizationName", "Organization"},
        "O",
    },
    {
        {ADD_LEN(MBEDTLS_OID_AT_ORG_UNIT), "id-at-organizationalUnitName", "Org Unit"},
        "OU",
    },
    {
        {ADD_LEN(MBEDTLS_OID_PKCS9_EMAIL), "emailAddress", "E-mail address"},
        "emailAddress",
    },
    {
        {ADD_LEN(MBEDTLS_OID_AT_SERIAL_NUMBER), "id-at-serialNumber", "Serial number"},
        "serialNumber",
    },
    {
        {ADD_LEN(MBEDTLS_OID_AT_POSTAL_ADDRESS), "id-at-postalAddress", "Postal address"},
        "postalAddress",
    },
    {
        {ADD_LEN(MBEDTLS_OID_AT_POSTAL_CODE), "id-at-postalCode", "Postal code"},
        "postalCode",
    },
    {
        {ADD_LEN(MBEDTLS_OID_AT_SUR_NAME), "id-at-surName", "Surname"},
        "SN",
    },
    {
        {ADD_LEN(MBEDTLS_OID_AT_GIVEN_NAME), "id-at-givenName", "Given name"},
        "GN",
    },
    {
        {ADD_LEN(MBEDTLS_OID_AT_INITIALS), "id-at-initials", "Initials"},
        "initials",
    },
    {
        {ADD_LEN(MBEDTLS_OID_AT_GENERATION_QUALIFIER), "id-at-generationQualifier", "Generation qualifier"},
        "generationQualifier",
    },
    {
        {ADD_LEN(MBEDTLS_OID_AT_TITLE), "id-at-title", "Title"},
        "title",
    },
    {
        {ADD_LEN(MBEDTLS_OID_AT_DN_QUALIFIER), "id-at-dnQualifier", "Distinguished Name qualifier"},
        "dnQualifier",
    },
    {
        {ADD_LEN(MBEDTLS_OID_AT_PSEUDONYM), "id-at-pseudonym", "Pseudonym"},
        "pseudonym",
    },
    {
        {ADD_LEN(MBEDTLS_OID_DOMAIN_COMPONENT), "id-domainComponent", "Domain component"},
        "DC",
    },
    {
        {ADD_LEN(MBEDTLS_OID_AT_UNIQUE_IDENTIFIER), "id-at-uniqueIdentifier", "Unique Identifier"},
        "uniqueIdentifier",
    },
    {
        {NULL, 0, NULL, NULL},
        NULL,
    }};

FN_OID_TYPED_FROM_ASN1(oid_x520_attr_t, x520_attr, oid_x520_attr_type)
FN_OID_GET_ATTR1(mbedtls_oid_get_attr_short_name, oid_x520_attr_t, x520_attr, const char*, short_name)

/*
 * For X509 extensions
 */
typedef struct {
    mbedtls_oid_descriptor_t descriptor;
    int ext_type;
} oid_x509_ext_t;

static const oid_x509_ext_t oid_x509_ext[] = {
    {
        {ADD_LEN(MBEDTLS_OID_BASIC_CONSTRAINTS), "id-ce-basicConstraints", "Basic Constraints"},
        MBEDTLS_X509_EXT_BASIC_CONSTRAINTS,
    },
    {
        {ADD_LEN(MBEDTLS_OID_KEY_USAGE), "id-ce-keyUsage", "Key Usage"},
        MBEDTLS_X509_EXT_KEY_USAGE,
    },
    {
        {ADD_LEN(MBEDTLS_OID_EXTENDED_KEY_USAGE), "id-ce-extKeyUsage", "Extended Key Usage"},
        MBEDTLS_X509_EXT_EXTENDED_KEY_USAGE,
    },
    {
        {ADD_LEN(MBEDTLS_OID_SUBJECT_ALT_NAME), "id-ce-subjectAltName", "Subject Alt Name"},
        MBEDTLS_X509_EXT_SUBJECT_ALT_NAME,
    },
    {
        {ADD_LEN(MBEDTLS_OID_NS_CERT_TYPE), "id-netscape-certtype", "Netscape Certificate Type"},
        MBEDTLS_X509_EXT_NS_CERT_TYPE,
    },
    {
        {NULL, 0, NULL, NULL},
        0,
    },
};

FN_OID_TYPED_FROM_ASN1(oid_x509_ext_t, x509_ext, oid_x509_ext)
FN_OID_GET_ATTR1(mbedtls_oid_get_x509_ext_type, oid_x509_ext_t, x509_ext, int, ext_type)

static const mbedtls_oid_descriptor_t oid_ext_key_usage[] = {
    {ADD_LEN(MBEDTLS_OID_SERVER_AUTH), "id-kp-serverAuth", "TLS Web Server Authentication"},
    {ADD_LEN(MBEDTLS_OID_CLIENT_AUTH), "id-kp-clientAuth", "TLS Web Client Authentication"},
    {ADD_LEN(MBEDTLS_OID_CODE_SIGNING), "id-kp-codeSigning", "Code Signing"},
    {ADD_LEN(MBEDTLS_OID_EMAIL_PROTECTION), "id-kp-emailProtection", "E-mail Protection"},
    {ADD_LEN(MBEDTLS_OID_TIME_STAMPING), "id-kp-timeStamping", "Time Stamping"},
    {ADD_LEN(MBEDTLS_OID_OCSP_SIGNING), "id-kp-OCSPSigning", "OCSP Signing"},
    {NULL, 0, NULL, NULL},
};

FN_OID_TYPED_FROM_ASN1(mbedtls_oid_descriptor_t, ext_key_usage, oid_ext_key_usage)
FN_OID_GET_ATTR1(mbedtls_oid_get_extended_key_usage, mbedtls_oid_descriptor_t, ext_key_usage, const char*, description)
#endif /* MBEDTLS_X509_USE_C || MBEDTLS_X509_CREATE_C */

#if defined(MBEDTLS_MD_C)
/*
 * For SignatureAlgorithmIdentifier
 */
typedef struct {
    mbedtls_oid_descriptor_t descriptor;
    mbedtls_md_type_t md_alg;
    mbedtls_pk_type_t pk_alg;
} oid_sig_alg_t;

static const oid_sig_alg_t oid_sig_alg[] = {
#if defined(MBEDTLS_RSA_C)
#if defined(MBEDTLS_MD2_C)
    {
        {ADD_LEN(MBEDTLS_OID_PKCS1_MD2), "md2WithRSAEncryption", "RSA with MD2"},
        MBEDTLS_MD_MD2,
        MBEDTLS_PK_RSA,
    },
#endif /* MBEDTLS_MD2_C */
#if defined(MBEDTLS_MD4_C)
    {
        {ADD_LEN(MBEDTLS_OID_PKCS1_MD4), "md4WithRSAEncryption", "RSA with MD4"},
        MBEDTLS_MD_MD4,
        MBEDTLS_PK_RSA,
    },
#endif /* MBEDTLS_MD4_C */
#if defined(MBEDTLS_MD5_C)
    {
        {ADD_LEN(MBEDTLS_OID_PKCS1_MD5), "md5WithRSAEncryption", "RSA with MD5"},
        MBEDTLS_MD_MD5,
        MBEDTLS_PK_RSA,
    },
#endif /* MBEDTLS_MD5_C */
#if defined(MBEDTLS_SHA1_C)
    {
        {ADD_LEN(MBEDTLS_OID_PKCS1_SHA1), "sha-1WithRSAEncryption", "RSA with SHA1"},
        MBEDTLS_MD_SHA1,
        MBEDTLS_PK_RSA,
    },
#endif /* MBEDTLS_SHA1_C */
#if defined(MBEDTLS_SHA256_C)
    {
        {ADD_LEN(MBEDTLS_OID_PKCS1_SHA224), "sha224WithRSAEncryption", "RSA with SHA-224"},
        MBEDTLS_MD_SHA224,
        MBEDTLS_PK_RSA,
    },
    {
        {ADD_LEN(MBEDTLS_OID_PKCS1_SHA256), "sha256WithRSAEncryption", "RSA with SHA-256"},
        MBEDTLS_MD_SHA256,
        MBEDTLS_PK_RSA,
    },
#endif /* MBEDTLS_SHA256_C */
#if defined(MBEDTLS_SHA512_C)
    {
        {ADD_LEN(MBEDTLS_OID_PKCS1_SHA384), "sha384WithRSAEncryption", "RSA with SHA-384"},
        MBEDTLS_MD_SHA384,
        MBEDTLS_PK_RSA,
    },
    {
        {ADD_LEN(MBEDTLS_OID_PKCS1_SHA512), "sha512WithRSAEncryption", "RSA with SHA-512"},
        MBEDTLS_MD_SHA512,
        MBEDTLS_PK_RSA,
    },
#endif /* MBEDTLS_SHA512_C */
#if defined(MBEDTLS_SHA1_C)
    {
        {ADD_LEN(MBEDTLS_OID_RSA_SHA_OBS), "sha-1WithRSAEncryption", "RSA with SHA1"},
        MBEDTLS_MD_SHA1,
        MBEDTLS_PK_RSA,
    },
#endif /* MBEDTLS_SHA1_C */
#endif /* MBEDTLS_RSA_C */
#if defined(MBEDTLS_ECDSA_C)
#if defined(MBEDTLS_SHA1_C)
    {
        {ADD_LEN(MBEDTLS_OID_ECDSA_SHA1), "ecdsa-with-SHA1", "ECDSA with SHA1"},
        MBEDTLS_MD_SHA1,
        MBEDTLS_PK_ECDSA,
    },
#endif /* MBEDTLS_SHA1_C */
#if defined(MBEDTLS_SHA256_C)
    {
        {ADD_LEN(MBEDTLS_OID_ECDSA_SHA224), "ecdsa-with-SHA224", "ECDSA with SHA224"},
        MBEDTLS_MD_SHA224,
        MBEDTLS_PK_ECDSA,
    },
    {
        {ADD_LEN(MBEDTLS_OID_ECDSA_SHA256), "ecdsa-with-SHA256", "ECDSA with SHA256"},
        MBEDTLS_MD_SHA256,
        MBEDTLS_PK_ECDSA,
    },
#endif /* MBEDTLS_SHA256_C */
#if defined(MBEDTLS_SHA512_C)
    {
        {ADD_LEN(MBEDTLS_OID_ECDSA_SHA384), "ecdsa-with-SHA384", "ECDSA with SHA384"},
        MBEDTLS_MD_SHA384,
        MBEDTLS_PK_ECDSA,
    },
    {
        {ADD_LEN(MBEDTLS_OID_ECDSA_SHA512), "ecdsa-with-SHA512", "ECDSA with SHA512"},
        MBEDTLS_MD_SHA512,
        MBEDTLS_PK_ECDSA,
    },
#endif /* MBEDTLS_SHA512_C */
#endif /* MBEDTLS_ECDSA_C */
#if defined(MBEDTLS_RSA_C)
    {
        {ADD_LEN(MBEDTLS_OID_RSASSA_PSS), "RSASSA-PSS", "RSASSA-PSS"},
        MBEDTLS_MD_NONE,
        MBEDTLS_PK_RSASSA_PSS,
    },
#endif /* MBEDTLS_RSA_C */
    {
        {NULL, 0, NULL, NULL},
        MBEDTLS_MD_NONE,
        MBEDTLS_PK_NONE,
    },
};

FN_OID_TYPED_FROM_ASN1(oid_sig_alg_t, sig_alg, oid_sig_alg)
FN_OID_GET_DESCRIPTOR_ATTR1(mbedtls_oid_get_sig_alg_desc, oid_sig_alg_t, sig_alg, const char*, description)
FN_OID_GET_ATTR2(mbedtls_oid_get_sig_alg, oid_sig_alg_t, sig_alg, mbedtls_md_type_t, md_alg, mbedtls_pk_type_t, pk_alg)
FN_OID_GET_OID_BY_ATTR2(mbedtls_oid_get_oid_by_sig_alg, oid_sig_alg_t, oid_sig_alg, mbedtls_pk_type_t, pk_alg, mbedtls_md_type_t, md_alg)
#endif /* MBEDTLS_MD_C */

/*
 * For PublicKeyInfo (PKCS1, RFC 5480)
 */
typedef struct {
    mbedtls_oid_descriptor_t descriptor;
    mbedtls_pk_type_t pk_alg;
} oid_pk_alg_t;

static const oid_pk_alg_t oid_pk_alg[] = {
    {
        {ADD_LEN(MBEDTLS_OID_PKCS1_RSA), "rsaEncryption", "RSA"},
        MBEDTLS_PK_RSA,
    },
    {
        {ADD_LEN(MBEDTLS_OID_EC_ALG_UNRESTRICTED), "id-ecPublicKey", "Generic EC key"},
        MBEDTLS_PK_ECKEY,
    },
    {
        {ADD_LEN(MBEDTLS_OID_EC_ALG_ECDH), "id-ecDH", "EC key for ECDH"},
        MBEDTLS_PK_ECKEY_DH,
    },
    {
        {NULL, 0, NULL, NULL},
        MBEDTLS_PK_NONE,
    },
};

FN_OID_TYPED_FROM_ASN1(oid_pk_alg_t, pk_alg, oid_pk_alg)
FN_OID_GET_ATTR1(mbedtls_oid_get_pk_alg, oid_pk_alg_t, pk_alg, mbedtls_pk_type_t, pk_alg)
FN_OID_GET_OID_BY_ATTR1(mbedtls_oid_get_oid_by_pk_alg, oid_pk_alg_t, oid_pk_alg, mbedtls_pk_type_t, pk_alg)

#if defined(MBEDTLS_ECP_C)
/*
 * For namedCurve (RFC 5480)
 */
typedef struct {
    mbedtls_oid_descriptor_t descriptor;
    mbedtls_ecp_group_id grp_id;
} oid_ecp_grp_t;

static const oid_ecp_grp_t oid_ecp_grp[] = {
#if defined(MBEDTLS_ECP_DP_SECP192R1_ENABLED)
    {
        {ADD_LEN(MBEDTLS_OID_EC_GRP_SECP192R1), "secp192r1", "secp192r1"},
        MBEDTLS_ECP_DP_SECP192R1,
    },
#endif /* MBEDTLS_ECP_DP_SECP192R1_ENABLED */
#if defined(MBEDTLS_ECP_DP_SECP224R1_ENABLED)
    {
        {ADD_LEN(MBEDTLS_OID_EC_GRP_SECP224R1), "secp224r1", "secp224r1"},
        MBEDTLS_ECP_DP_SECP224R1,
    },
#endif /* MBEDTLS_ECP_DP_SECP224R1_ENABLED */
#if defined(MBEDTLS_ECP_DP_SECP256R1_ENABLED)
    {
        {ADD_LEN(MBEDTLS_OID_EC_GRP_SECP256R1), "secp256r1", "secp256r1"},
        MBEDTLS_ECP_DP_SECP256R1,
    },
#endif /* MBEDTLS_ECP_DP_SECP256R1_ENABLED */
#if defined(MBEDTLS_ECP_DP_SECP384R1_ENABLED)
    {
        {ADD_LEN(MBEDTLS_OID_EC_GRP_SECP384R1), "secp384r1", "secp384r1"},
        MBEDTLS_ECP_DP_SECP384R1,
    },
#endif /* MBEDTLS_ECP_DP_SECP384R1_ENABLED */
#if defined(MBEDTLS_ECP_DP_SECP521R1_ENABLED)
    {
        {ADD_LEN(MBEDTLS_OID_EC_GRP_SECP521R1), "secp521r1", "secp521r1"},
        MBEDTLS_ECP_DP_SECP521R1,
    },
#endif /* MBEDTLS_ECP_DP_SECP521R1_ENABLED */
#if defined(MBEDTLS_ECP_DP_SECP192K1_ENABLED)
    {
        {ADD_LEN(MBEDTLS_OID_EC_GRP_SECP192K1), "secp192k1", "secp192k1"},
        MBEDTLS_ECP_DP_SECP192K1,
    },
#endif /* MBEDTLS_ECP_DP_SECP192K1_ENABLED */
#if defined(MBEDTLS_ECP_DP_SECP224K1_ENABLED)
    {
        {ADD_LEN(MBEDTLS_OID_EC_GRP_SECP224K1), "secp224k1", "secp224k1"},
        MBEDTLS_ECP_DP_SECP224K1,
    },
#endif /* MBEDTLS_ECP_DP_SECP224K1_ENABLED */
#if defined(MBEDTLS_ECP_DP_SECP256K1_ENABLED)
    {
        {ADD_LEN(MBEDTLS_OID_EC_GRP_SECP256K1), "secp256k1", "secp256k1"},
        MBEDTLS_ECP_DP_SECP256K1,
    },
#endif /* MBEDTLS_ECP_DP_SECP256K1_ENABLED */
#if defined(MBEDTLS_ECP_DP_BP256R1_ENABLED)
    {
        {ADD_LEN(MBEDTLS_OID_EC_GRP_BP256R1), "brainpoolP256r1", "brainpool256r1"},
        MBEDTLS_ECP_DP_BP256R1,
    },
#endif /* MBEDTLS_ECP_DP_BP256R1_ENABLED */
#if defined(MBEDTLS_ECP_DP_BP384R1_ENABLED)
    {
        {ADD_LEN(MBEDTLS_OID_EC_GRP_BP384R1), "brainpoolP384r1", "brainpool384r1"},
        MBEDTLS_ECP_DP_BP384R1,
    },
#endif /* MBEDTLS_ECP_DP_BP384R1_ENABLED */
#if defined(MBEDTLS_ECP_DP_BP512R1_ENABLED)
    {
        {ADD_LEN(MBEDTLS_OID_EC_GRP_BP512R1), "brainpoolP512r1", "brainpool512r1"},
        MBEDTLS_ECP_DP_BP512R1,
    },
#endif /* MBEDTLS_ECP_DP_BP512R1_ENABLED */
    {
        {NULL, 0, NULL, NULL},
        MBEDTLS_ECP_DP_NONE,
    },
};

FN_OID_TYPED_FROM_ASN1(oid_ecp_grp_t, grp_id, oid_ecp_grp)
FN_OID_GET_ATTR1(mbedtls_oid_get_ec_grp, oid_ecp_grp_t, grp_id, mbedtls_ecp_group_id, grp_id)
FN_OID_GET_OID_BY_ATTR1(mbedtls_oid_get_oid_by_ec_grp, oid_ecp_grp_t, oid_ecp_grp, mbedtls_ecp_group_id, grp_id)
#endif /* MBEDTLS_ECP_C */

#if defined(MBEDTLS_CIPHER_C)
/*
 * For PKCS#5 PBES2 encryption algorithm
 */
typedef struct {
    mbedtls_oid_descriptor_t descriptor;
    mbedtls_cipher_type_t cipher_alg;
} oid_cipher_alg_t;

static const oid_cipher_alg_t oid_cipher_alg[] = {
    {
        {ADD_LEN(MBEDTLS_OID_DES_CBC), "desCBC", "DES-CBC"},
        MBEDTLS_CIPHER_DES_CBC,
    },
    {
        {ADD_LEN(MBEDTLS_OID_DES_EDE3_CBC), "des-ede3-cbc", "DES-EDE3-CBC"},
        MBEDTLS_CIPHER_DES_EDE3_CBC,
    },
    {
        {NULL, 0, NULL, NULL},
        MBEDTLS_CIPHER_NONE,
    },
};

FN_OID_TYPED_FROM_ASN1(oid_cipher_alg_t, cipher_alg, oid_cipher_alg)
FN_OID_GET_ATTR1(mbedtls_oid_get_cipher_alg, oid_cipher_alg_t, cipher_alg, mbedtls_cipher_type_t, cipher_alg)
#endif /* MBEDTLS_CIPHER_C */

#if defined(MBEDTLS_MD_C)
/*
 * For digestAlgorithm
 */
typedef struct {
    mbedtls_oid_descriptor_t descriptor;
    mbedtls_md_type_t md_alg;
} oid_md_alg_t;

static const oid_md_alg_t oid_md_alg[] = {
#if defined(MBEDTLS_MD2_C)
    {
        {ADD_LEN(MBEDTLS_OID_DIGEST_ALG_MD2), "id-md2", "MD2"},
        MBEDTLS_MD_MD2,
    },
#endif /* MBEDTLS_MD2_C */
#if defined(MBEDTLS_MD4_C)
    {
        {ADD_LEN(MBEDTLS_OID_DIGEST_ALG_MD4), "id-md4", "MD4"},
        MBEDTLS_MD_MD4,
    },
#endif /* MBEDTLS_MD4_C */
#if defined(MBEDTLS_MD5_C)
    {
        {ADD_LEN(MBEDTLS_OID_DIGEST_ALG_MD5), "id-md5", "MD5"},
        MBEDTLS_MD_MD5,
    },
#endif /* MBEDTLS_MD5_C */
#if defined(MBEDTLS_SHA1_C)
    {
        {ADD_LEN(MBEDTLS_OID_DIGEST_ALG_SHA1), "id-sha1", "SHA-1"},
        MBEDTLS_MD_SHA1,
    },
#endif /* MBEDTLS_SHA1_C */
#if defined(MBEDTLS_SHA256_C)
    {
        {ADD_LEN(MBEDTLS_OID_DIGEST_ALG_SHA224), "id-sha224", "SHA-224"},
        MBEDTLS_MD_SHA224,
    },
    {
        {ADD_LEN(MBEDTLS_OID_DIGEST_ALG_SHA256), "id-sha256", "SHA-256"},
        MBEDTLS_MD_SHA256,
    },
#endif /* MBEDTLS_SHA256_C */
#if defined(MBEDTLS_SHA512_C)
    {
        {ADD_LEN(MBEDTLS_OID_DIGEST_ALG_SHA384), "id-sha384", "SHA-384"},
        MBEDTLS_MD_SHA384,
    },
    {
        {ADD_LEN(MBEDTLS_OID_DIGEST_ALG_SHA512), "id-sha512", "SHA-512"},
        MBEDTLS_MD_SHA512,
    },
#endif /* MBEDTLS_SHA512_C */
    {
        {NULL, 0, NULL, NULL},
        MBEDTLS_MD_NONE,
    },
};

FN_OID_TYPED_FROM_ASN1(oid_md_alg_t, md_alg, oid_md_alg)
FN_OID_GET_ATTR1(mbedtls_oid_get_md_alg, oid_md_alg_t, md_alg, mbedtls_md_type_t, md_alg)
FN_OID_GET_OID_BY_ATTR1(mbedtls_oid_get_oid_by_md, oid_md_alg_t, oid_md_alg, mbedtls_md_type_t, md_alg)

/*
 * For HMAC digestAlgorithm
 */
typedef struct {
    mbedtls_oid_descriptor_t descriptor;
    mbedtls_md_type_t md_hmac;
} oid_md_hmac_t;

static const oid_md_hmac_t oid_md_hmac[] = {
#if defined(MBEDTLS_SHA1_C)
    {
        {ADD_LEN(MBEDTLS_OID_HMAC_SHA1), "hmacSHA1", "HMAC-SHA-1"},
        MBEDTLS_MD_SHA1,
    },
#endif /* MBEDTLS_SHA1_C */
#if defined(MBEDTLS_SHA256_C)
    {
        {ADD_LEN(MBEDTLS_OID_HMAC_SHA224), "hmacSHA224", "HMAC-SHA-224"},
        MBEDTLS_MD_SHA224,
    },
    {
        {ADD_LEN(MBEDTLS_OID_HMAC_SHA256), "hmacSHA256", "HMAC-SHA-256"},
        MBEDTLS_MD_SHA256,
    },
#endif /* MBEDTLS_SHA256_C */
#if defined(MBEDTLS_SHA512_C)
    {
        {ADD_LEN(MBEDTLS_OID_HMAC_SHA384), "hmacSHA384", "HMAC-SHA-384"},
        MBEDTLS_MD_SHA384,
    },
    {
        {ADD_LEN(MBEDTLS_OID_HMAC_SHA512), "hmacSHA512", "HMAC-SHA-512"},
        MBEDTLS_MD_SHA512,
    },
#endif /* MBEDTLS_SHA512_C */
    {
        {NULL, 0, NULL, NULL},
        MBEDTLS_MD_NONE,
    },
};

FN_OID_TYPED_FROM_ASN1(oid_md_hmac_t, md_hmac, oid_md_hmac)
FN_OID_GET_ATTR1(mbedtls_oid_get_md_hmac, oid_md_hmac_t, md_hmac, mbedtls_md_type_t, md_hmac)
#endif /* MBEDTLS_MD_C */

#if defined(MBEDTLS_PKCS12_C)
/*
 * For PKCS#12 PBEs
 */
typedef struct {
    mbedtls_oid_descriptor_t descriptor;
    mbedtls_md_type_t md_alg;
    mbedtls_cipher_type_t cipher_alg;
} oid_pkcs12_pbe_alg_t;

static const oid_pkcs12_pbe_alg_t oid_pkcs12_pbe_alg[] = {
    {
        {ADD_LEN(MBEDTLS_OID_PKCS12_PBE_SHA1_DES3_EDE_CBC), "pbeWithSHAAnd3-KeyTripleDES-CBC", "PBE with SHA1 and 3-Key 3DES"},
        MBEDTLS_MD_SHA1,
        MBEDTLS_CIPHER_DES_EDE3_CBC,
    },
    {
        {ADD_LEN(MBEDTLS_OID_PKCS12_PBE_SHA1_DES2_EDE_CBC), "pbeWithSHAAnd2-KeyTripleDES-CBC", "PBE with SHA1 and 2-Key 3DES"},
        MBEDTLS_MD_SHA1,
        MBEDTLS_CIPHER_DES_EDE_CBC,
    },
    {
        {NULL, 0, NULL, NULL},
        MBEDTLS_MD_NONE,
        MBEDTLS_CIPHER_NONE,
    },
};

FN_OID_TYPED_FROM_ASN1(oid_pkcs12_pbe_alg_t, pkcs12_pbe_alg, oid_pkcs12_pbe_alg)
FN_OID_GET_ATTR2(mbedtls_oid_get_pkcs12_pbe_alg, oid_pkcs12_pbe_alg_t, pkcs12_pbe_alg, mbedtls_md_type_t, md_alg, mbedtls_cipher_type_t, cipher_alg)
#endif /* MBEDTLS_PKCS12_C */

#define OID_SAFE_SNPRINTF \
    do { \
        if (ret < 0 || (size_t)ret >= n) \
            return (MBEDTLS_ERR_OID_BUF_TOO_SMALL); \
\
        n -= (size_t)ret; \
        p += (size_t)ret; \
    } while (0)

/* Return the x.y.z.... style numeric string for the given OID */
int mbedtls_oid_get_numeric_string(char* buf, size_t size, const mbedtls_asn1_buf* oid)
{
    int ret;
    size_t i, n;
    unsigned int value;
    char* p;

    p = buf;
    n = size;

    /* First byte contains first two dots */
    if (oid->len > 0) {
        ret = mbedtls_snprintf(p, n, "%d.%d", oid->p[0] / 40, oid->p[0] % 40);
        OID_SAFE_SNPRINTF;
    }

    value = 0;
    for (i = 1; i < oid->len; i++) {
        /* Prevent overflow in value. */
        if (((value << 7) >> 7) != value)
            return (MBEDTLS_ERR_OID_BUF_TOO_SMALL);

        value <<= 7;
        value += oid->p[i] & 0x7F;

        if (!(oid->p[i] & 0x80)) {
            /* Last byte */
            ret = mbedtls_snprintf(p, n, ".%d", value);
            OID_SAFE_SNPRINTF;
            value = 0;
        }
    }

    return ((int)(size - n));
}

#endif /* MBEDTLS_OID_C */
